Development of superconducting wires for fusion application
Journal Article
·
· Advances in Cryogenic Engineering
OSTI ID:482154
- GEC Alsthom Power Generation/Asia, Belfort (France); and others
Five Nb{sub 3}Sn strands have been processed to achieve the compromise between high current density and low hysteresis losses. This work was performed in the framework of Phase II ITER program. Kilometric lengths have been industrially manufactured. As a result, Jc{sub non Cu} (4.2K, 12T) up to 670 A/mm{sup 2} with non Cu hysteresis losses ({+-}3T) of 590 mJ/cm{sup 3} have been measured. However superconducting properties should be enhanced by using heat treatments adapted to the specific strand design. Cr diffusion was identified as the major cause of RRR degradation. Feasibility of NbTi45.6wt% wires with an intermediate resistive barrier for poloidal coils is also demonstrated.
- OSTI ID:
- 482154
- Report Number(s):
- CONF-950722--
- Journal Information:
- Advances in Cryogenic Engineering, Journal Name: Advances in Cryogenic Engineering Vol. 42B; ISSN 0065-2482; ISSN ACYEAC
- Country of Publication:
- United States
- Language:
- English
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Mon Dec 30 23:00:00 EST 1996
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OSTI ID:426005